{"id":49038,"date":"2025-07-30T15:14:35","date_gmt":"2025-07-30T07:14:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/49038.html"},"modified":"2025-07-30T15:14:35","modified_gmt":"2025-07-30T07:14:35","slug":"c%e8%af%ad%e8%a8%80%ef%bc%9a%e6%8c%87%e9%92%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/49038.html","title":{"rendered":"C\u8bed\u8a00\uff1a\u6307\u9488"},"content":{"rendered":"

\u56de\u987e<\/h3>\n

\u00a0\/*************************************************************************
\n\u00a0 \u00a0> File Name: \u00a0 demo01.c
\n\u00a0 \u00a0> Author: \u00a0 \u00a0 \u00a0 \u4e45\u5ff5\u6615
\n\u00a0 \u00a0> Description: \u00a0
\n\u00a0 \u00a0> Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 09\u65f607\u520638\u79d2
\n\u00a0 ************************************************************************\/
\n\u00a0\u200b
\n\u00a0#include <stdio.h>
\n\u00a0\u200b
\n\u00a0\/**
\n\u00a0 * \u6307\u5411\u4e00\u7ef4\u6570\u7ec4\u7684\u6307\u9488
\n\u00a0 *\/
\n\u00a0int t_p1()
\n\u00a0{
\n\u00a0 \u00a0 \u00a0\/\/ \u521b\u5efa\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4
\n\u00a0 \u00a0 \u00a0int arr[] = {10,20,30,40,50};
\n\u00a0 \u00a0 \u00a0\/\/ \u8ba1\u7b97\u6570\u7ec4\u5927\u5c0f
\n\u00a0 \u00a0 \u00a0int len = sizeof(arr) \/ sizeof(arr[0]); \u00a0
\n\u00a0\u200b
\n\u00a0 \u00a0 \u00a0\/\/ \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u6307\u9488\u6307\u5411\u4e00\u7ef4\u6570\u7ec4arr
\n\u00a0 \u00a0 \u00a0int (*p)[len] = &arr;
\n\u00a0 \u00a0 \u00a0\/\/ \u501f\u52a9\u6570\u7ec4\u6307\u9488\u904d\u5386\u6570\u7ec4
\n\u00a0 \u00a0 \u00a0for (int i = 0; i < len; i++)
\n\u00a0 \u00a0 {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ p \u6307\u5411 arr\u8fd9\u4e2a\u6570\u7ec4，p\u5b58\u50a8\u4e86arr\u8fd9\u4e2a\u6570\u7ec4\u7684\u5730\u5740
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u5982\u679c\u901a\u8fc7\u6307\u9488\u8bbf\u95ee\u6570\u7ec4：*p *\u548c[]\u5728\u4e00\u8d77，[]\u7684\u4f18\u5148\u7ea7\u5927\u4e8e*
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf("%-4d", (*p)[i]);
\n\u00a0 \u00a0 }
\n\u00a0 \u00a0 \u00a0printf("\\\\n");
\n\u00a0\u200b
\n\u00a0}
\n\u00a0\u200b
\n\u00a0\/**
\n\u00a0 * \u6307\u5411\u4e8c\u7ef4\u6570\u7ec4\u7684\u6307\u9488
\n\u00a0 *\/
\n\u00a0int t_p2()
\n\u00a0{
\n\u00a0 \u00a0 \u00a0\/\/ \u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4
\n\u00a0 \u00a0 \u00a0int arr[][3] = {
\n\u00a0 \u00a0 \u00a0 \u00a0 {10,20,30},
\n\u00a0 \u00a0 \u00a0 \u00a0 {100,200,300},
\n\u00a0 \u00a0 \u00a0 \u00a0 {1000,2000,3000}
\n\u00a0 \u00a0 };
\n\u00a0 \u00a0 \u00a0\/\/ \u83b7\u53d6\u884c\u548c\u5217\u7684\u5bb9\u91cf
\n\u00a0 \u00a0 \u00a0int row_len = sizeof(arr) \/ sizeof(arr[0]);
\n\u00a0 \u00a0 \u00a0int col_len = sizeof(arr[0]) \/ sizeof(arr[0][0]);
\n\u00a0\u200b
\n\u00a0 \u00a0 \u00a0\/\/ \u65b9\u5f0f1，\u4e8c\u7ef4\u6570\u7ec4\u6307\u9488\u6307\u5411\u4e8c\u7ef4\u6570\u7ec4 \u00a0 \u4e0d\u63a8\u8350
\n\u00a0 \u00a0 \u00a0int (*p)[][3] = &arr;
\n\u00a0\u200b
\n\u00a0 \u00a0 \u00a0\/\/ \u904d\u5386\u6570\u7ec4
\n\u00a0 \u00a0 \u00a0for (int i = 0; i < row_len; i++)
\n\u00a0 \u00a0 {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0for (int j = 0; j < col_len; j++)
\n\u00a0 \u00a0 \u00a0 \u00a0 {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf("%-6d", (*p)[i][j]);
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }
\n\u00a0 \u00a0 \u00a0printf("\\\\n");
\n\u00a0\u200b
\n\u00a0 \u00a0 \u00a0\/\/ \u65b9\u5f0f2，\u4e00\u7ef4\u6570\u7ec4\u6307\u9488\u6307\u5411\u4e8c\u7ef4\u6570\u7ec4，\u672c\u8d28\u4e0a\u662f\u4e00\u4f53\u7ef4\u6570\u7ec4\u6307\u9488\u6307\u5411\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c（\u9ed8\u8ba4\u9996\u884c）\u63a8\u8350
\n\u00a0 \u00a0 \u00a0\/\/ &arr：\u83b7\u53d6\u8be5\u4e8c\u7ef4\u6570\u7ec4\u7684\u5730\u5740，\u8303\u56f4\u4f5c\u7528\u4e8e\u6574\u4e2a\u6570\u7ec4
\n\u00a0 \u00a0 \u00a0\/\/ arr：\u6570\u7ec4\u540d\u9ed8\u8ba4\u6307\u5411\u7b2c\u4e00\u4e2a\u5143\u7d20，\u8fd9\u91cc\u5c31\u662f\u884c，\u9ed8\u8ba4\u9996\u884c，\u8303\u56f4\u4f5c\u7528\u4e8e\u6574\u4e2a\u884c，\u7b49\u4ef7\u4e8e &arr[0]
\n\u00a0 \u00a0 \u00a0\/\/ \u6570\u7ec4\u53c2\u4e0e\u6307\u9488\u8fd0\u7b97，\u4f1a\u964d\u7ea7\u4e3a\u6307\u9488
\n\u00a0 \u00a0 \u00a0int (*p1)[3] = arr;
\n\u00a0\u200b
\n\u00a0 \u00a0 \u00a0for (int i = 0; i < row_len; i++)
\n\u00a0 \u00a0 {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0for (int j = 0; j < col_len; j++)
\n\u00a0 \u00a0 \u00a0 \u00a0 {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf("%-6d",p1[i][j]);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf("%-6d",(*(p1+i))[j]);
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf("%-6d",*(p1[i]+j));\/\/ \u5217\u504f\u79fb
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf("%-6d",*(*(p1+i)+j));
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 }
\n\u00a0 \u00a0 \u00a0printf("\\\\n");
\n\u00a0 \u00a0 \u00a0
\n\u00a0}
\n\u00a0\u200b
\n\u00a0int main(int argc,char *argv[])
\n\u00a0{
\n\u00a0 \u00a0 t_p1();
\n\u00a0 \u00a0 t_p2();
\n\u00a0 \u00a0 \u00a0
\n\u00a0}
\n\u00a0\u200b<\/p>\n

\u6307\u9488<\/h3>\n

\u6570\u7ec4\u6307\u9488\u4e0e\u6307\u9488\u6570\u7ec4<\/h4>\n

\u6570\u7ec4\u6307\u9488<\/h5>\n
\u6307\u9488\u548c\u6570\u7ec4\u4e2d\u7b26\u53f7\u4f18\u5148\u7ea7<\/h6>\n

\u00a0（）> [] > *<\/p>\n

\u901a\u8fc7\u6307\u9488\u5f15\u7528\u4e8c\u7ef4\u6570\u7ec4<\/h6>\n\n\u8868\u793a\u5f62\u5f0f\u542b\u4e49\u5730\u5740\/\u503c<\/tr>\n\n\n\n\n\n\n\n
arr<\/td>\n\u4e8c\u7ef4\u6570\u7ec4\u540d，\u6307\u5411\u4e00\u7ef4\u6570\u7ec4arr[0]，0\u884c\u9996\u5730\u5740<\/td>\n2000<\/td>\n<\/tr>\n
arr[0],*(arr+0),*arr<\/td>\n0\u884c0\u5217\u5143\u7d20\u5730\u5740，\u6570\u7ec4\u964d\u7ea7\u4e3a\u6307\u9488<\/td>\n2000<\/td>\n<\/tr>\n
arr + 1,\u00a0&arr[1]<\/td>\n1\u884c\u9996\u5730\u5740<\/td>\n2008<\/td>\n<\/tr>\n
arr[1],*(arr + 1)<\/td>\n1\u884c0\u5217\u5143\u7d20arr[1][0]\u7684\u5730\u5740<\/td>\n2008<\/td>\n<\/tr>\n
arr[1]+2,*(arr+1)+2,&arr[1][2]<\/td>\n1\u884c2\u5217\u5143\u7d20arr[1][2]\u7684\u5730\u5740<\/td>\n2012<\/td>\n<\/tr>\n
*(arr[1]+2),*(*(arr+1)+2),arr[1][2]<\/td>\n1\u884c2\u5217\u5143\u7d20arr[1][2]\u7684\u503c<\/td>\n\u5143\u7d20\u503c\u4e3a13<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6ce8\u610f：<\/span>\u4e8c\u7ef4\u6570\u7ec4\u4e2d，\u6570\u7ec4\u6574\u4f53\u7684\u5730\u5740\u503c == \u6570\u7ec4\u4e2d0\u884c\u5143\u7d20\u7684\u5730\u5740\u503c == \u6570\u7ec4\u4e2d0\u884c0\u5217\u5143\u7d20\u7684\u5730\u5740\u503c<\/p>\n

\"\"<\/p>\n

\u6848\u4f8b<\/h6>\n
\u6848\u4f8b1<\/h6>\n
    \n
  • \n

    \u9700\u6c42：\u7528\u6307\u5411\u5143\u7d20\u7684\u6307\u9488\u53d8\u91cf\u8f93\u51fa\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u7684\u503c<\/p>\n<\/li>\n

  • \n

    \u4ee3\u7801：<\/p>\n<\/li>\n<\/ul>\n

    \u00a0\/*************************************************************************
    \n\u00a0 \u00a0> File Name: \u00a0 demo02.c
    \n\u00a0 \u00a0> Author: \u00a0 \u00a0 \u00a0 \u4e45\u5ff5\u6615
    \n\u00a0 \u00a0> Description: \u00a0
    \n\u00a0 \u00a0> Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 10\u65f646\u520640\u79d2
    \n\u00a0 ************************************************************************\/
    \n\u00a0\u200b
    \n\u00a0#include <stdio.h>
    \n\u00a0\u200b
    \n\u00a0int main(int argc,char *argv[])
    \n\u00a0{
    \n\u00a0 \u00a0 \u00a0\/\/ \u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4
    \n\u00a0 \u00a0 \u00a0int arr[3][4] = {10,20,30,40,100,200,300,400,1000,2000,3000,4000};
    \n\u00a0\u200b
    \n\u00a0 \u00a0 \u00a0\/\/ \u5b9a\u4e49\u4e00\u4e2a\u6307\u9488\u53d8\u91cf，\u7528\u6765\u6307\u5411\u6570\u7ec4\u4e2d\u7684\u5143\u7d20
    \n\u00a0 \u00a0 \u00a0int *p = \/* *(arr+0) |*\/ *arr \/* | arr[0] *\/;
    \n\u00a0\u200b
    \n\u00a0 \u00a0 \u00a0\/\/ \u83b7\u53d6\u5143\u7d20\u4e2a\u6570 = \u884c\u5bb9\u91cf * \u5217\u5bb9\u91cf
    \n\u00a0 \u00a0 \u00a0
    \n\u00a0 \u00a0 \u00a0int len = (sizeof(arr)\/sizeof(arr[0])) * (sizeof(arr[0])\/sizeof(arr[0][0]));
    \n\u00a0\u200b
    \n\u00a0 \u00a0 \u00a0\/\/ \u4f7f\u7528\u5355\u5c42for\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4,\u5217
    \n\u00a0 \u00a0 \u00a0for (; p < arr[0] + len; p++)
    \n\u00a0 \u00a0 {
    \n\u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u6bcf\u56db\u4e2a\u4e00\u884c p1 – p2 = (p1\u5730\u5740 – p2\u5730\u5740) \/ sizeof(type)
    \n\u00a0 \u00a0 \u00a0 \u00a0 if ((p – arr[0]) % 4 == 0 && p != arr[0]) printf("\\\\n");
    \n\u00a0\u200b
    \n\u00a0 \u00a0 \u00a0 \u00a0 printf("%-6d", *p);
    \n\u00a0 \u00a0 }
    \n\u00a0\u200b
    \n\u00a0 \u00a0 \u00a0printf("\\\\n");
    \n\u00a0\u200b
    \n\u00a0 \u00a0 \u00a0return 0;
    \n\u00a0}
    \n\u00a0\u200b<\/p>\n

    \u6848\u4f8b2：<\/h6>\n
      \n
    • \n

      \u9700\u6c42：\u6570\u7ec4\u6307\u9488- \u8f93\u51fa\u4e8c\u7ef4\u6570\u7ec4\u4efb\u610f\u884c\u4efb\u610f\u5217\u7684\u5143\u7d20\u7684\u503c<\/p>\n<\/li>\n

    • \n

      \u4ee3\u7801：<\/p>\n

      \u00a0\/*************************************************************************
      \n\u00a0 \u00a0> File Name: \u00a0 demo03.c
      \n\u00a0 \u00a0> Author: \u00a0 \u00a0 \u00a0 \u4e45\u5ff5\u6615
      \n\u00a0 \u00a0> Description: \u00a0
      \n\u00a0 \u00a0> Created Time: 2025\u5e7405\u670821\u65e5 \u661f\u671f\u4e09 10\u65f657\u520626\u79d2
      \n\u00a0 ************************************************************************\/
      \n\u00a0\u200b
      \n\u00a0#include <stdio.h>
      \n\u00a0\u200b
      \n\u00a0int main(int argc,char *argv[])
      \n\u00a0{
      \n\u00a0 \u00a0 \u00a0\/\/ \u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4
      \n\u00a0 \u00a0 \u00a0int arr[3][4] = {1,3,5,7,11,33,55,77,111,333,555,777};
      \n\u00a0\u200b
      \n\u00a0 \u00a0 \u00a0\/\/ \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u6307\u9488\u6307\u5411\u4e8c\u7ef4\u6570\u7ec4
      \n\u00a0 \u00a0 \u00a0int (*p)[4] = arr; \/\/ \u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5c31\u662f\u9996\u884c int (*p)[3][4]
      \n\u00a0\u200b
      \n\u00a0 \u00a0 \u00a0\/\/ \u521b\u5efa\u4e24\u4e2a\u53d8\u91cf，\u63a5\u6536\u63a7\u5236\u53f0\u8f93\u5165\u7684\u884c\u548c\u5217
      \n\u00a0 \u00a0 \u00a0int row, col;
      \n\u00a0\u200b
      \n\u00a0 \u00a0 \u00a0printf("\u8bf7\u8f93\u5165\u884c\u53f7\u548c\u5217\u53f7：\\\\n");
      \n\u00a0 \u00a0 \u00a0scanf("%d,%d",&row,&col);
      \n\u00a0\u200b
      \n\u00a0 \u00a0 \u00a0printf("arr[%d][%d]=%d,%d,%d,%d\\\\n",row,col,*(*(p+row)+col),(*(p+row))[col],*(p[row]+col),p[row][col]);
      \n\u00a0\u200b
      \n\u00a0 \u00a0 \u00a0return 0;
      \n\u00a0}
      \n\u00a0\u200b<\/p>\n<\/li>\n<\/ul>\n

      \u6307\u9488\u6570\u7ec4<\/h5>\n

      \u5b9a\u4e49：\u6307\u9488\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u7ec4，\u6570\u7ec4\u4e2d\u6bcf\u4e00\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u6307\u9488\u3002<\/p>\n

      \u7279\u70b9：<\/p>\n

        \n
      • \n

        \u5148\u6709\u6307\u9488，\u540e\u6709\u6570\u7ec4<\/p>\n<\/li>\n

      • \n

        \u6307\u9488\u6570\u7ec4\u7684\u672c\u8d28\u662f\u4e00\u4e2a\u6570\u7ec4，\u53ea\u662f\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u662f\u6307\u9488\u3002<\/p>\n<\/li>\n<\/ul>\n

        \u8bed\u6cd5：<\/p>\n

        \u00a0\u6570\u636e\u7c7b\u578b *\u6570\u7ec4\u540d[\u5bb9\u91cf];<\/p>\n

        \u6848\u4f8b：<\/p>\n

        \u00a0\/*************************************************************************
        \n\u00a0 \u00a0> File Name: \u00a0 demo03.c
        \n\u00a0 \u00a0> Author: \u00a0 \u00a0 \u00a0 \u4e45\u5ff5\u6615
        \n\u00a0 \u00a0> Description: \u00a0
        \n\u00a0 \u00a0> Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 11\u65f631\u520618\u79d2
        \n\u00a0 ************************************************************************\/
        \n\u00a0\u200b
        \n\u00a0#include <stdio.h>
        \n\u00a0\u200b
        \n\u00a0int main(int argc,char *argv[])
        \n\u00a0{
        \n\u00a0 \u00a0 \u00a0\/\/ \u5b9a\u4e49\u4e09\u4e2a\u53d8\u91cf
        \n\u00a0 \u00a0 \u00a0int a = 10, b = 20, c = 30;
        \n\u00a0\u200b
        \n\u00a0 \u00a0 \u00a0\/\/ \u5b9a\u4e49\u6307\u9488\u6570\u7ec4：\u5148\u6709\u6307\u9488，\u540e\u6709\u6570\u7ec4
        \n\u00a0 \u00a0 \u00a0int *arr[3] = {&a, &b, &c};
        \n\u00a0\u200b
        \n\u00a0 \u00a0 \u00a0\/\/ \u83b7\u53d6\u5927\u5c0f
        \n\u00a0 \u00a0 \u00a0int len = sizeof(arr) \/ sizeof(arr[0]);
        \n\u00a0\u200b
        \n\u00a0 \u00a0 \u00a0\/\/ \u904d\u5386\u6570\u7ec4
        \n\u00a0 \u00a0 \u00a0for (int i = 0; i < len; i++)
        \n\u00a0 \u00a0 {
        \n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0printf("%-3d", *arr[i]);
        \n\u00a0 \u00a0 }
        \n\u00a0\u200b
        \n\u00a0 \u00a0 \u00a0printf("\\\\n");
        \n\u00a0\u200b
        \n\u00a0 \u00a0 \u00a0return 0;
        \n\u00a0}
        \n\u00a0\u200b<\/p>\n

        \u5efa\u8bae：\u6211\u4eec\u4e00\u822c\u4f7f\u7528\u6307\u9488\u6570\u7ec4\u5904\u7406\u5b57\u7b26\u4e32，\u540e\u7eed\u4e13\u95e8\u8bb2\u89e3\u3002<\/p>\n

        \u6570\u7ec4\u6307\u9488\u4e0e\u6307\u9488\u6570\u7ec4\u7684\u533a\u522b<\/h5>\n\n\u5bf9\u6bd4\u9879\u6307\u9488\u6570\u7ec4\u6570\u7ec4\u6307\u9488<\/tr>\n\n\n\n\n\n\n\n\n\n
        \u5b9a\u4e49<\/td>\n\u6570\u7ec4\u5143\u7d20\u5747\u4e3a\u6307\u9488\u7684\u6570\u7ec4<\/td>\n\u6307\u5411\u4e00\u4e2a\u5b8c\u6574\u6570\u7ec4\u7684\u6307\u9488<\/td>\n<\/tr>\n
        \u5b58\u50a8\u5185\u5bb9<\/td>\n\u5b58\u50a8\u591a\u4e2a\u6307\u9488，\u6bcf\u4e2a\u5143\u7d20\u6307\u5411\u4e0d\u540c\u5185\u5b58\u5730\u5740<\/td>\n\u5b58\u50a8\u5355\u4e2a\u6307\u9488，\u6307\u5411\u4e00\u4e2a\u5b8c\u6574\u7684\u6570\u7ec4（\u9996\u5730\u5740）<\/td>\n<\/tr>\n
        \u5185\u5b58\u5206\u914d<\/td>\n\u6bcf\u4e2a\u6307\u9488\u5143\u7d20\u72ec\u7acb\u5206\u914d\u5185\u5b58，\u53ef\u80fd\u5206\u6563<\/td>\n\u6307\u5411\u7684\u6570\u7ec4\u5185\u5b58\u8fde\u7eed，\u6307\u9488\u672c\u8eab\u5b58\u50a8\u6570\u7ec4\u9996\u5730\u5740<\/td>\n<\/tr>\n
        \u8bed\u6cd5\u793a\u4f8b<\/td>\nint *arr[5]（\u5143\u7d20\u4e3a5\u4e2aint*\u6307\u9488）<\/td>\nint (*arr)[5](\u6307\u54115\u4e2aint\u7684\u6570\u7ec4\u7684\u6307\u9488)<\/td>\n<\/tr>\n
        \u8bbf\u95ee\u65b9\u5f0f<\/td>\n\u901a\u8fc7\u4e0b\u6807\u8bbf\u95ee\u6307\u9488\u5143\u7d20，\u518d\u89e3\u5f15\u7528： *arr[i]<\/td>\n\u5148\u89e3\u5f15\u7528\u6307\u9488\u5f97\u5230\u6570\u7ec4，\u518d\u8bbf\u95ee\u5143\u7d20： (*arr)[i]<\/td>\n<\/tr>\n
        \u4f7f\u7528\u573a\u666f<\/td>\n\u7ba1\u7406\u591a\u4e2a\u72ec\u7acb\u6307\u9488（\u5982\u5b57\u7b26\u4e32\u6570\u7ec4\u3001\u52a8\u6001\u7ed3\u6784\u4f53\u6570\u7ec4）<\/td>\n\u64cd\u4f5c\u591a\u7ef4\u6570\u7ec4（\u5982\u4f20\u9012\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u6307\u9488）<\/td>\n<\/tr>\n
        \u5185\u5b58\u5e03\u5c40<\/td>\n[ptr1] \u2192 \u6570\u636e1 [ptr2] \u2192 \u6570\u636e2 …<\/td>\nptr \u2192 [\u6570\u636e1][\u6570\u636e2]…<\/td>\n<\/tr>\n
        \u793a\u4f8b\u4ee3\u7801<\/td>\nint a=1, b=2;int *arr[] = {&a, &b};<\/td>\nint arr[2][3] = {1,2,3,4,5,6};int (*ptr)[3] = arr;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u5b57\u7b26\u6570\u7ec4\u4e0e\u5b57\u7b26\u6307\u9488<\/h4>\n

        \u5b57\u7b26\u4e32\u5b9e\u73b0<\/h5>\n

        \u5728C\u8bed\u8a00\u4e2d，\u8868\u793a\u4e00\u4e2a\u5b57\u7b26\u4e32\u6709\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f：<\/p>\n

        \u2460 \u6570\u7ec4\u5f62\u5f0f：\u7528\u5b57\u7b26\u6570\u7ec4\u5b58\u653e\u4e00\u4e2a\u5b57\u7b26\u4e32<\/p>\n

        \u2461 \u6307\u9488\u5f62\u5f0f：\u7528\u5b57\u7b26\u6307\u9488\u6307\u5411\u4e00\u4e2a\u5b57\u7b26\u4e32<\/p>\n

        \u6848\u4f8b<\/h6>\n

        \u00a0\/*************************************************************************
        \n\u00a0 \u00a0> File Name: \u00a0 demo04.c
        \n\u00a0 \u00a0> Author: \u00a0 \u00a0 \u00a0 \u4e45\u5ff5\u6615
        \n\u00a0 \u00a0> Description: \u00a0
        \n\u00a0 \u00a0> Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 14\u65f615\u520631\u79d2
        \n\u00a0 ************************************************************************\/
        \n\u00a0\u200b
        \n\u00a0#include <stdio.h>
        \n\u00a0\u200b
        \n\u00a0\/**
        \n\u00a0 * \u65b9\u5f0f1：\u4f7f\u7528\u5b57\u7b26\u6570\u7ec4\u5b9e\u73b0\u5b57\u7b26\u4e32
        \n\u00a0 *\/
        \n\u00a0void str_test1()
        \n\u00a0{
        \n\u00a0 \u00a0 \u00a0\/\/ \u5b9a\u4e49\u4e00\u4e2a\u4f2a\u5b57\u7b26\u4e32
        \n\u00a0 \u00a0 \u00a0char str[] = "I LOVE YOU";
        \n\u00a0 \u00a0 \u00a0\/\/ \u6570\u7ec4\u540d\u662f\u4e00\u4e2a\u5e38\u91cf，\u4e5f\u5c31\u662f\u4e0d\u652f\u6301\u8d4b\u503c
        \n\u00a0 \u00a0 \u00a0\/\/ str = "YUE QIAN"; \/\/ \u7f16\u8bd1\u62a5\u9519，\u5e38\u91cf\u4e0d\u652f\u6301\u4fee\u6539，\u66ff\u4ee3\u65b9\u6848：strcpy(str,"YUE QIAN");
        \n\u00a0 \u00a0 \u00a0
        \n\u00a0 \u00a0 \u00a0printf("%s\\\\n", str); \/\/ \u6570\u7ec4\u5728\u4f20\u53c2\u65f6，\u4f1a\u88ab\u964d\u7ea7\u4e3a\u6307\u9488
        \n\u00a0}
        \n\u00a0\u200b
        \n\u00a0\/**
        \n\u00a0 * \u65b9\u5f0f2：\u4f7f\u7528\u5b57\u7b26\u6307\u9488\u6307\u5411\u5b57\u7b26\u4e32
        \n\u00a0 *\/
        \n\u00a0void str_test2()
        \n\u00a0{
        \n\u00a0 \u00a0 \u00a0\/\/ \u5b9a\u4e49\u4e00\u4e2a\u4f2a\u5b57\u7b26\u4e32
        \n\u00a0 \u00a0 \u00a0char *str = "I LOVE YOU"; \/\/ \u6307\u9488str\u6307\u5411\u4e00\u4e2a\u5b57\u7b26\u4e32\u5e38\u91cf
        \n\u00a0 \u00a0 \u00a0\/\/ \u6539\u53d8str\u7684\u6307\u5411
        \n\u00a0 \u00a0 \u00a0\/\/ str = "YUE QIAN";
        \n\u00a0 \u00a0 \u00a0printf("%s\\\\n", str);
        \n\u00a0}
        \n\u00a0\u200b
        \n\u00a0int main(int argc,char *argv[])
        \n\u00a0{
        \n\u00a0 \u00a0 \u00a0str_test1();
        \n\u00a0 \u00a0 \u00a0str_test2();
        \n\u00a0\u200b
        \n\u00a0 \u00a0 \u00a0char arr[200];
        \n\u00a0 \u00a0 \u00a0char *str = arr; \/\/ \u5c40\u90e8\u53d8\u91cf，\u5982\u679c\u672a\u521d\u59cb\u5316，\u9ed8\u8ba4\u662f\u968f\u673a\u503c，\u5982\u679c\u662f\u6307\u9488\u53d8\u91cf，\u5730\u5740\u503c\u5c31\u662f\u968f\u673a
        \n\u00a0 \u00a0 \u00a0printf("\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32：\\\\n");
        \n\u00a0 \u00a0 \u00a0scanf("%s", str);
        \n\u00a0 \u00a0 \u00a0printf("%s\\\\n", str);
        \n\u00a0\u200b
        \n\u00a0 \u00a0 \u00a0return 0;
        \n\u00a0}
        \n\u00a0\u200b<\/p>\n

        \u6ce8\u610f：<\/span>\u5b57\u7b26\u6570\u7ec4\u548c\u5b57\u7b26\u6307\u9488\u53d8\u91cf\u90fd\u80fd\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u5b58\u50a8\u4e0e\u8fd0\u7b97\u3002（\u5b57\u7b26\u6307\u9488—> \u5b57\u7b26\u7c7b\u578b\u7684\u6307\u9488\u53d8\u91cf）<\/p>\n

        \u5b57\u7b26\u6570\u7ec4\u548c\u5b57\u7b26\u6307\u9488\u7684\u8054\u7cfb<\/h5>\n
        \u6982\u5ff5<\/h6>\n
          \n
        • \n

          \u5b57\u7b26\u6570\u7ec4\u7531\u5143\u7d20\u7ec4\u6210，\u6bcf\u4e2a\u5143\u7d20\u4e2d\u5b58\u653e\u4e00\u4e2a\u5b57\u7b26；\u800c\u5b57\u7b26\u6307\u9488（\u6307\u5411char\u7c7b\u578b\u7684\u6307\u9488\u53d8\u91cf）\u4e2d\u5b58\u653e\u7684\u662f\u5730\u5740；<\/p>\n<\/li>\n

        • \n

          \u53ea\u80fd\u5bf9\u5b57\u7b26\u6570\u7ec4\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\u8d4b\u503c，\u800c\u4e0d\u80fd\u7528\u8d4b\u503c\u8bed\u53e5\u5bf9\u6574\u4e2a\u5b57\u7b26\u6570\u7ec4\u8d4b\u503c\u3002<\/p>\n<\/li>\n<\/ul>\n

          \u00a0char arr[3] = {}; \u00a0 \/\/ \u7b49\u4ef7\u4e8e {'\\\\0'}; \u7b49\u4ef7\u4e8e {0};
          \n\u00a0arr[2] = 'A'; \u00a0 \u00a0 \u00a0 \/\/ \u6b63\u786e，\u5bf9\u5b57\u7b26\u6570\u7ec4\u7684\u5143\u7d20\u8d4b\u503c
          \n\u00a0\u200b
          \n\u00a0arr = {'E','D','F'};\/\/ \u9519\u8bef，\u6570\u7ec4\u540d\u662f\u5e38\u91cf，\u4e0d\u80fd\u5bf9\u5176\u8fdb\u884c\u6574\u4f53\u8d4b\u503c<\/p>\n

            \n
          • \n

            \u5b57\u7b26\u6570\u7ec4\u540d\u867d\u7136\u4ee3\u8868\u5730\u5740，\u4f46\u662f\u6570\u7ec4\u540d\u7684\u503c\u4e0d\u80fd\u6539\u53d8，\u56e0\u4e3a\u6570\u7ec4\u540d\u662f\u5e38\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n

            char a = 'A';
            \nchar arr[50] = {};<\/p>\n

            char *p = arr; \/\/ \u6307\u9488p\u6307\u5411\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20，p\u5b58\u50a8\u7684\u662farr\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u5730\u5740<\/p>\n

            p = &a; \/\/ \u6539\u53d8\u6307\u9488p\u7684\u6307\u5411，\u4f7f\u5176\u6307\u5411\u53d8\u91cfa，p\u5b58\u50a8\u7684\u662fa\u7684\u5730\u5740<\/p>\n

            arr = &a; \/\/ \u9519\u8bef：\u6570\u7ec4\u540d\u867d\u7136\u662f\u6307\u9488，\u4f46\u662f\u6570\u7ec4\u540d\u540c\u65f6\u4e5f\u662f\u5e38\u91cf，\u6240\u4ee5\u4e0d\u80fd\u8d4b\u503c<\/p>\n

            p++; \/\/ p\u6307\u5411arr\u7684\u7b2c2\u4e2a\u5143\u7d20
            \narr+5;
            \n*p = 'W';
            \nprintf("%c %c\\\\n", *p, *arr);<\/p>\n

            return 0;
            \n}<\/p>\n

              \n
            • \n

              \u5bf9\u4e8e\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26\u7684\u5b58\u53d6，\u53ef\u4ee5\u7528\u4e0b\u6807\u6cd5，\u4e5f\u53ef\u4ee5\u7528\u6307\u9488\u6cd5\u3002<\/p>\n

              \/*************************************************************************
              \n > File Name: demo05.c
              \n > Author: \u4e45\u5ff5\u6615
              \n > Description:
              \n > Created Time: 2025\u5e7405\u670821\u65e5 \u661f\u671f\u4e09 14\u65f658\u520600\u79d2
              \n ************************************************************************\/<\/p>\n

              #include <stdio.h><\/p>\n

              int main(int argc,char *argv[])
              \n{
              \n \/\/ \u4f7f\u7528\u4e24\u79cd\u65b9\u5f0f\u521b\u5efa\u5b57\u7b26\u4e32
              \n char str1[] = "\u4f60\u597d，\u53cc\u54e5\u54e5！";
              \n char *str2 = "\u4f60\u597d，\u8c6a\u54e5\u54e5！";\/\/ 0x11<\/p>\n

              \/\/ \u8d4b\u503c\u6d4b\u8bd5
              \n \/\/ str1 = "\u4f60\u597d，\u5f3a\u54e5\u54e5！"; \/\/ \u9519\u8bef，\u6570\u7ec4\u4e00\u65e6\u521b\u5efa，\u5c31\u65e0\u6cd5\u6539\u53d8\u5176\u503c\u3002
              \n str2 = "\u4f60\u597d，\u5e05\u54e5\u54e5！";\/\/ 0x12<\/p>\n

              \/\/ \u6253\u5370\u6d4b\u8bd5
              \n printf("%s,%s\\\\n", str1, str2);<\/p>\n

              \/\/ \u6d4b\u8bd5\u4ece\u63a7\u5236\u53f0\u83b7\u53d6\u4e00\u4e2a\u5b57\u7b26\u4e32
              \n \/\/ char *str;\/\/ \u6b64\u65f6\u9ed8\u8ba4\u503c\u662fNULL，NULL\u5bf9\u5e94\u7684\u7a7a\u95f4\u5730\u57400x00000000，\u8fd9\u5757\u7a7a\u95f4\u62d2\u7edd\u8bbf\u95ee
              \n \/\/ printf("\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32：\\\\n");
              \n \/\/ scanf("%s",str);
              \n \/\/ printf("\u8f93\u51fa-%s\\\\n",str);\/\/ \u8f93\u51faNULL<\/p>\n

              \/\/ \u6ce8\u610f：\u4ece\u63a7\u5236\u53f0\u63a5\u6536\u4e00\u4e2a\u5b57\u7b26\u4e32\u53ea\u80fd\u7528\u5b57\u7b26\u6570\u7ec4<\/p>\n

              char a[] = "I LOVE YOU!";
              \n char *b = "I LOVE YOU!";<\/p>\n

              printf("%c,%c\\\\n%c,%c\\\\n%s,%s\\\\n",a[2],*(a+2),b[2],*(b+2),a+2,b+2);\/\/ L,L L,L
              \n 1 2<\/p>\n

              return 0;
              \n}<\/p>\n<\/li>\n<\/ul>\n

              \u5b57\u7b26\u4e32\u4f5c\u4e3a\u5f62\u53c2<\/h5>\n
              \u5b9a\u4e49<\/h6>\n
                \n
              • \n

                \u5b9e\u53c2\u4e0e\u5f62\u53c2\u90fd\u53ef\u4ee5\u662f\u5b57\u7b26\u6570\u7ec4<\/p>\n<\/li>\n<\/ul>\n

                void fun(char str[], int len) {..}
                \nvoid main()
                \n{
                \n char str[] = "hello";
                \n int len = sizeof(str) \/ sizeof(str[0]);
                \n fun(str, len)
                \n}<\/p>\n

                  \n
                • \n

                  \u5b9e\u53c2\u7528\u5b57\u7b26\u6570\u7ec4，\u5f62\u53c2\u7528\u5b57\u7b26\u6307\u9488<\/p>\n<\/li>\n<\/ul>\n

                  void fun(char *str, int len) {..}
                  \nvoid main()
                  \n{
                  \n char str[] = "hello";
                  \n int len = sizeof(str) \/ sizeof(str[0]);
                  \n fun(str, len)
                  \n}<\/p>\n

                    \n
                  • \n

                    \u5f62\u53c2\u548c\u5b9e\u53c2\u90fd\u662f\u5b57\u7b26\u6307\u9488\u3002(\u5728\u51fd\u6570\u5185\u90e8\u4e0d\u80fd\u5bf9\u5b57\u7b26\u4e32\u5e38\u91cf\u4e2d\u7684\u5b57\u7b26\u505a\u4fee\u6539)<\/p>\n<\/li>\n<\/ul>\n

                    \/*************************************************************************
                    \n > File Name: demo06.c
                    \n > Author: \u4e45\u5ff5\u6615
                    \n > Description:
                    \n > Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 15\u65f626\u520614\u79d2
                    \n ************************************************************************\/<\/p>\n

                    #include <stdio.h><\/p>\n

                    void fun(char *str, int len) {
                    \n printf("%s\\\\n", str);\/\/ 0x1000 str\u4f9d\u7136\u6307\u5411\u201chello"\u8fd9\u4e2a\u5e38\u91cf\u7a7a\u95f4<\/p>\n

                    \/\/ *(str+1) = 'E';\/\/ \u7f16\u8bd1\u9519\u8bef \u4e0d\u80fd\u4fee\u6539"hello"\u8fd9\u4e2a\u5e38\u91cf\u7a7a\u95f4\u7684\u6570\u636e<\/p>\n

                    \/\/ str[2] = 'L'; \/\/ \u7f16\u8bd1\u9519\u8bef<\/p>\n

                    str = "zhangsanfeng"; \/\/ 0x2000 \u6b64\u65f6\u5e76\u6ca1\u6709\u6539\u53d8\u5e38\u91cf\u7a7a\u95f4\u7684\u6570\u636e，\u53ea\u662f\u6539\u53d8\u4e86\u6307\u9488\u7684\u6307\u5411<\/p>\n

                    printf("%s\\\\n", str);
                    \n}<\/p>\n

                    void main()
                    \n{
                    \n char *str = "hello"; \/\/ 0x1000 str\u6307\u5411\u7684"hello"\u662f\u4e00\u4e2a\u5e38\u91cf\u7a7a\u95f4，\u5e38\u91cf\u7a7a\u95f4\u4e0d\u652f\u6301\u4fee\u6539
                    \n int len = sizeof(str) \/ sizeof(str[0]);
                    \n fun(str, len); \/\/ 0x1000
                    \n}<\/p>\n

                      \n
                    • \n

                      \u5b9e\u53c2\u662f\u5b57\u7b26\u6307\u9488，\u5f62\u53c2\u662f\u5b57\u7b26\u6570\u7ec4\u3002(\u5728\u51fd\u6570\u5185\u90e8\u4e0d\u80fd\u5bf9\u5b57\u7b26\u4e32\u5e38\u91cf\u4e2d\u7684\u5b57\u7b26\u505a\u4fee\u6539)<\/p>\n<\/li>\n<\/ul>\n

                      \/*************************************************************************
                      \n > File Name: demo06.c
                      \n > Author: \u4e45\u5ff5\u6615
                      \n > Description:
                      \n > Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 15\u65f626\u520614\u79d2
                      \n ************************************************************************\/<\/p>\n

                      #include <stdio.h><\/p>\n

                      void fun(char str[], int len) {
                      \n printf("%s\\\\n", str);\/\/ 0x1000 str\u4f9d\u7136\u6307\u5411\u201chello"\u8fd9\u4e2a\u5e38\u91cf\u7a7a\u95f4<\/p>\n

                      \/\/ *(str+1) = 'E';\/\/ \u7f16\u8bd1\u9519\u8bef \u4e0d\u80fd\u4fee\u6539"hello"\u8fd9\u4e2a\u5e38\u91cf\u7a7a\u95f4\u7684\u6570\u636e<\/p>\n

                      \/\/ str[2] = 'L'; \/\/ \u7f16\u8bd1\u9519\u8bef<\/p>\n

                      str = "zhangsanfeng"; \/\/ \u6b64\u65f6\u5e76\u6ca1\u6709\u6539\u53d8\u5e38\u91cf\u7a7a\u95f4\u7684\u6570\u636e，\u53ea\u662f\u6539\u53d8\u4e86\u6307\u9488\u7684\u6307\u5411<\/p>\n

                      printf("%s\\\\n", str);
                      \n}<\/p>\n

                      void main()
                      \n{
                      \n \/\/ char str[] = {'h','e','l','l','o','\\\\0'}; \/\/ \u8fd9\u4e2a\u53ef\u4ee5\u770b\u505a\u662f\u5b57\u7b26\u4e32\u53d8\u91cf，\u8fd9\u4e2a\u662f\u652f\u6301\u4fee\u6539\u5143\u7d20
                      \n char *str = "hello"; \/\/ 0x1000 str\u6307\u5411\u7684"hello"\u662f\u4e00\u4e2a\u5e38\u91cf\u7a7a\u95f4，\u5e38\u91cf\u7a7a\u95f4\u4e0d\u652f\u6301\u4fee\u6539
                      \n int len = sizeof(str) \/ sizeof(str[0]);
                      \n fun(str, len);\/\/ 0x1000
                      \n}<\/p>\n

                      \u6ce8\u610f<\/span><\/h6>\n
                    • \n

                      \u5b57\u7b26\u6570\u7ec4\u5728\u521b\u5efa\u7684\u65f6\u5019，\u4f1a\u5728\u5185\u5b58\u4e2d\u5f00\u8f9f\u5185\u5b58\u7a7a\u95f4，\u5185\u5b58\u7a7a\u95f4\u53ef\u4ee5\u5b58\u653e\u5b57\u7b26\u6570\u636e；\u5b57\u7b26\u6307\u9488\u5728\u521b\u5efa\u7684\u65f6\u5019，\u9700\u8981\u4f9d\u8d56\u4e8e\u5b57\u7b26\u6570\u7ec4，\u5b57\u7b26\u6307\u9488\u5728\u5185\u5b58\u5f00\u8f9f\u7684\u5185\u5b58\u7a7a\u95f4\u4e2d，\u5b58\u653e\u7684\u662f\u6570\u7ec4\u5143\u7d20\u7684\u5730\u5740\u3002\u5b57\u7b26\u6307\u9488\u7684\u521b\u5efa\u4f9d\u8d56\u4e8e\u5b57\u7b26\u6570\u7ec4，\u5b57\u7b26\u6570\u7ec4\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728，\u800c\u5b57\u7b26\u6307\u9488\u4e0d\u80fd\u72ec\u7acb\u5b58\u5728\u3002<\/p>\n<\/li>\n

                    • \n

                      \u5b57\u7b26\u6570\u7ec4\u53ef\u4ee5\u521d\u59cb\u5316，\u4f46\u662f\u4e0d\u80fd\u8d4b\u503c；\u5b57\u7b26\u6307\u9488\u53ef\u4ee5\u521d\u59cb\u5316，\u4e5f\u53ef\u4ee5\u8d4b\u503c\u3002<\/p>\n

                      char str1[] = "hello"; \/\/ \u5bf9\u6570\u7ec4\u521d\u59cb\u5316
                      \n str1 = "hi"; \/\/ \u5bf9\u6570\u7ec4\u8d4b\u503c，\u6b64\u65f6\u9519\u8bef<\/p>\n

                      str1[0] = 'H'; \/\/ \u5bf9\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c，\u6b64\u65f6\u6b63\u786e<\/p>\n<\/li>\n

                      \u6848\u4f8b<\/h6>\n
                      \u6848\u4f8b1<\/h6>\n
                        \n
                      • \n

                        \u5b57\u7b26\u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570：\u7528\u51fd\u6570\u8c03\u7528\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u590d\u5236\u4ee5\u53ca\u957f\u5ea6\u8ba1\u7b97<\/p>\n<\/li>\n

                      • \n

                        \u4ee3\u7801：<\/p>\n

                        \/*************************************************************************
                        \n > File Name: demo07.c
                        \n > Author: \u4e45\u5ff5\u6615
                        \n > Description:
                        \n > Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 15\u65f650\u520622\u79d2
                        \n ************************************************************************\/<\/p>\n

                        #include <stdio.h><\/p>\n

                        \/**
                        \n * \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570，\u5b9e\u73b0\u5b57\u7b26\u4e32\u62f7\u8d1d
                        \n * @param source \u62f7\u8d1d\u7684\u6e90\u5b57\u7b26\u4e32，\u8be5\u5b57\u7b26\u4e32\u4e0d\u80fd\u88ab\u4fee\u6539
                        \n * @param dest \u9700\u8981\u62f7\u8d1d\u7684\u76ee\u6807\u6570\u7ec4
                        \n * @return \u5b57\u7b26\u4e32\u7684\u957f\u5ea6
                        \n *\/
                        \nint _str_cpy(const char *source, char *dest)
                        \n{
                        \n \/\/ \u5b9a\u4e49\u4e00\u4e2a\u5faa\u73af\u53d8\u91cf
                        \n register int i = 0;<\/p>\n

                        \/\/ \u904d\u5386\u5faa\u73af
                        \n while (source[i] != '\\\\0')
                        \n {
                        \n \/\/ \u5b9e\u73b0\u62f7\u8d1d
                        \n *(dest + i) = *(source + i); \/\/ \u7b49\u4ef7\u4e8e dest[i] = source[i];
                        \n i++;
                        \n }<\/p>\n

                        \/\/ \u62f7\u8d1d\u7ed3\u675f，\u4e00\u5b9a\u8981\u7ed9dest\u4e2d\u63d2\u5165\\\\0
                        \n *(dest + i) = '\\\\0';<\/p>\n

                        return i;
                        \n}<\/p>\n

                        int main(int argc,char *argv[])
                        \n{
                        \n char source[20],dest[20];<\/p>\n

                        printf("\u8bf7\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32：\\\\n");
                        \n scanf("%s", source);<\/p>\n

                        int size = _str_cpy(source, dest);<\/p>\n

                        printf("\u5b57\u7b26\u4e32：%s\u7684\u957f\u5ea6\u662f%d\\\\n", dest, size);<\/p>\n

                        return 0;
                        \n}<\/p>\n<\/li>\n<\/ul>\n

                        \u6848\u4f8b2<\/h6>\n
                          \n
                        • \n

                          \u9700\u6c42：\u5b57\u7b26\u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u7684\u53c2\u6570-\u7ed9\u5b9a\u4e00\u4e2a\u5b57\u7b26\u4e32，\u622a\u53d6start\u5230end\u4e4b\u95f4\u7684\u5b57\u7b26\u4e32，\u542b\u5934\u4e0d\u542b\u5c3e<\/p>\n<\/li>\n

                        • \n

                          \u4ee3\u7801：<\/p>\n

                          \/*************************************************************************
                          \n > File Name: demo08.c
                          \n > Author: \u4e45\u5ff5\u6615
                          \n > Description:
                          \n > Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 16\u65f606\u520651\u79d2
                          \n ************************************************************************\/<\/p>\n

                          #include <stdio.h><\/p>\n

                          \/**
                          \n * \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570，\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u622a\u53d6
                          \n * @param source \u6e90\u5b57\u7b26\u4e32（\u5b57\u7b26\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u5e38\u91cf\u3001\u5b57\u7b26\u6307\u9488）
                          \n * @param start \u5f00\u59cb\u4f4d\u7f6e
                          \n * @param end \u7ed3\u675f\u4f4d\u7f6e
                          \n * @param dest \u76ee\u6807\u6570\u7ec4（\u5b57\u7b26\u6570\u7ec4）
                          \n * @return \u76ee\u6807\u5b57\u7b26\u4e32\u957f\u5ea6
                          \n *\/
                          \nint str_substr(const char *source, int start, int end, char *dest)
                          \n{
                          \n register int i = 0, k = 0;<\/p>\n

                          \/\/ \u904d\u5386\u5b57\u7b26\u4e32
                          \n while (source[i] != '\\\\0')
                          \n {
                          \n \/\/ \u6839\u636estart\u548cend\u622a\u53d6
                          \n if (i >= start && i < end) \/\/ \u542b\u5934\u4e0d\u542b\u5c3e
                          \n {
                          \n *(dest + k) = *(source + i); \/\/ hello
                          \n k++;
                          \n }
                          \n i++;
                          \n }<\/p>\n

                          *(dest + k) = '\\\\0';<\/p>\n

                          return k;
                          \n}<\/p>\n

                          int main(int argc,char *argv[])
                          \n{
                          \n char *str = "abcdefg";\/\/ cde
                          \n char dest[26];
                          \n int len = str_substr(str,2,5,dest);<\/p>\n

                          printf("%s,%s,%d\\\\n", str, dest, len);\/\/ abcdefg,cde,3<\/p>\n

                          return 0;
                          \n}\/*************************************************************************
                          \n > File Name: demo08.c
                          \n > Author: \u51af\u9e4f\u98de
                          \n > Description:
                          \n > Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 16\u65f606\u520651\u79d2
                          \n ************************************************************************\/<\/p>\n

                          #include <stdio.h><\/p>\n

                          \/**
                          \n * \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570，\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u622a\u53d6
                          \n * @param source \u6e90\u5b57\u7b26\u4e32（\u5b57\u7b26\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u5e38\u91cf\u3001\u5b57\u7b26\u6307\u9488）
                          \n * @param start \u5f00\u59cb\u4f4d\u7f6e
                          \n * @param end \u7ed3\u675f\u4f4d\u7f6e
                          \n * @param dest \u76ee\u6807\u6570\u7ec4（\u5b57\u7b26\u6570\u7ec4）
                          \n * @return \u76ee\u6807\u5b57\u7b26\u4e32\u957f\u5ea6
                          \n *\/
                          \nint str_substr(const char *source, int start, int end, char *dest)
                          \n{
                          \n register int i = 0, k = 0;<\/p>\n

                          \/\/ \u904d\u5386\u5b57\u7b26\u4e32
                          \n while (source[i] != '\\\\0')
                          \n {
                          \n \/\/ \u6839\u636estart\u548cend\u622a\u53d6
                          \n if (i >= start && i < end) \/\/ \u542b\u5934\u4e0d\u542b\u5c3e
                          \n {
                          \n *(dest + k) = *(source + i); \/\/ hello
                          \n k++;
                          \n }
                          \n i++;
                          \n }<\/p>\n

                          *(dest + k) = '\\\\0';<\/p>\n

                          return k;
                          \n}<\/p>\n

                          int main(int argc,char *argv[])
                          \n{
                          \n char *str = "abcdefg";\/\/ cde
                          \n char dest[26];
                          \n int len = str_substr(str,2,5,dest);<\/p>\n

                          printf("%s,%s,%d\\\\n", str, dest, len);\/\/ abcdefg,cde,3<\/p>\n

                          return 0;
                          \n}<\/p>\n<\/li>\n<\/ul>\n

                          \u51fd\u6570\u6307\u9488\u4e0e\u6307\u9488\u51fd\u6570<\/h4>\n

                          \u6307\u9488\u51fd\u6570<\/h5>\n

                          \u5b9a\u4e49：<\/p>\n

                          \u672c\u8d28\u4e0a\u662f\u4e0a\u51fd\u6570，\u8fd9\u4e2a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u662f\u6307\u9488，\u8fd9\u4e2a\u51fd\u6570\u79f0\u4e4b\u4e3a\u6307\u9488\u51fd\u6570\u3002（\u8fd4\u56de\u503c\u662f\u6307\u9488\u7684\u51fd\u6570\u53eb\u505a\u6307\u9488\u51fd\u6570）<\/p>\n

                          \u8bed\u6cd5：<\/p>\n

                          \/\/ \u5199\u6cd51
                          \n\u8fd4\u56de\u7c7b\u578b* \u51fd\u6570\u540d(\u5f62\u53c2\u5217\u8868)
                          \n{
                          \n \u51fd\u6570\u4f53;
                          \n return \u6307\u9488;
                          \n}<\/p>\n

                          \/\/ \u5199\u6cd52
                          \n\u8fd4\u56de\u7c7b\u578b *\u51fd\u6570\u540d(\u5f62\u53c2\u5217\u8868)
                          \n{
                          \n \u51fd\u6570\u4f53;
                          \n return \u6307\u9488;
                          \n}<\/p>\n

                          \u4e3e\u4f8b：<\/p>\n

                          int *get(int a)
                          \n{
                          \n int *p = &a;
                          \n return p;
                          \n}<\/p>\n

                          int main()
                          \n{
                          \n int *a = get(5);
                          \n printf("%d\\\\n", *a);
                          \n}<\/p>\n

                          \u6ce8\u610f：<\/span><\/p>\n

                          \u5728\u51fd\u6570\u4e2d\u4e0d\u8981\u76f4\u63a5\u8fd4\u56de\u4e00\u4e2a\u5c40\u90e8\u53d8\u91cf\u7684\u5730\u5740\u3002\u56e0\u4e3a\u51fd\u6570\u8c03\u7528\u5b8c\u6bd5\u540e，\u968f\u7740\u6808\u5e27\u7684\u56de\u6536，\u53d8\u91cf\u7a7a\u95f4\u4f1a\u9500\u6bc1，\u4f7f\u5f97\u8fd4\u56de\u7684\u5730\u5740\u5c31\u4e0d\u660e\u786e，\u6b64\u65f6\u8fd4\u56de\u7684\u6307\u9488\u53eb\u505a\u91ce\u6307\u9488\u3002<\/p>\n

                          \u89e3\u51b3\u65b9\u6848：<\/p>\n

                          \u5982\u679c\u975e\u8981\u8bbf\u95ee，\u53ef\u4ee5\u7ed9\u8fd9\u4e2a\u5c40\u90e8\u53d8\u91cf\u6dfb\u52a0（\u5b9a\u4e49\u7684\u65f6\u5019\u6dfb\u52a0）static，\u53ef\u4ee5\u5ef6\u957f\u5b83\u7684\u751f\u547d\u5468\u671f，\u4ece\u800c\u907f\u514d\u91ce\u6307\u9488（\u5c3d\u91cf\u5c11\u7528，\u56e0\u4e3a\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f）<\/p>\n

                          \u6f14\u793a\u6848\u4f8b：<\/p>\n

                          \/*************************************************************************
                          \n > File Name: demo05.c
                          \n > Author: \u4e45\u5ff5\u6615
                          \n > Description:
                          \n > Created Time: 2025\u5e7405\u670822\u65e5 \u661f\u671f\u56db 14\u65f622\u520607\u79d2
                          \n ************************************************************************\/<\/p>\n

                          #include <stdio.h><\/p>\n

                          int *add(int a, int b)
                          \n {
                          \n static int sum;<\/p>\n

                          sum = a + b;<\/p>\n

                          return &sum;\/\/ \u6267\u884c\u5b8creturn \u4f5c\u4e3a\u51fd\u6570\u4f5c\u7528\u57df\u7684\u5e03\u5c40\u53d8\u91cfsum\u7684\u7a7a\u95f4\u88ab\u91ca\u653e
                          \n }<\/p>\n

                          int main(int argc,char *argv[])
                          \n {
                          \n int *res = add(5,3); \/\/ \u63a5\u6536\u5230\u4e86\u5730\u5740，\u4f46\u662f\u5730\u5740\u5bf9\u5e94\u7684\u7a7a\u95f4\u5df2\u7ecf\u91ca\u653e
                          \n printf("%d\\\\n", *res);<\/p>\n

                          return 0;
                          \n }<\/p>\n

                          \u6848\u4f8b<\/h6>\n
                            \n
                          • \n

                            \u9700\u6c42：\u6709\u82e5\u5e72\u4e2a\u5b66\u751f，\u6bcf\u4e2a\u5b66\u751f\u67094\u95e8\u6210\u7ee9，\u8981\u6c42\u5728\u7528\u6237\u8f93\u5165\u5b66\u53f7（int id）\u540e，\u80fd\u8f93\u51fa\u8be5\u5b66\u751f\u7684\u5168\u90e8\u6210\u7ee9（float scores[4]），\u7528\u6307\u9488\u51fd\u6570\u5b9e\u73b0\u3002<\/p>\n<\/li>\n

                          • \n

                            \u4ee3\u7801：<\/p>\n

                            \/*************************************************************************
                            \n > File Name: demo09.c
                            \n > Author: \u4e45\u5ff5\u6615
                            \n > Description:
                            \n > Created Time: 2025\u5e7407\u670828\u65e5 \u661f\u671f\u4e00 17\u65f611\u520638\u79d2
                            \n ************************************************************************\/<\/p>\n

                            #include <stdio.h><\/p>\n

                            \/**
                            \n * \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570，\u8981\u6c42\u8f93\u5165\u5b66\u53f7，\u8fd4\u56de\u8be5\u5b66\u53f7\u5bf9\u5e94\u5b66\u751f\u76844\u95e8\u6210\u7ee9
                            \n * @param all：\u6240\u6709\u4eba\u7684\u6210\u7ee9\u4f20\u8fdb\u6765 \u67e5\u627e\u6e90\u5934
                            \n * @param id：\u8981\u68c0\u7d22\u5b66\u751f\u7684\u5b66\u53f7
                            \n * @return id\u5bf9\u5e94\u5b66\u751f\u76844\u95e8\u6210\u7ee9
                            \n *\/
                            \nfloat* search(float (*all)[4], int id)
                            \n{
                            \n \/\/ \u5b9a\u4e49\u4e00\u4e2a\u6307\u9488\u53d8\u91cf，\u7528\u6765\u63a5\u6536\u67e5\u8be2\u5230\u7684\u5b66\u751f\u7684\u6240\u6709\u6210\u7ee9
                            \n float *pt;<\/p>\n

                            pt = *(all + id);\/\/ \u884c\u504f\u79fb {10,20,30,40}<\/p>\n

                            return pt;
                            \n}<\/p>\n

                            int main(int argc,char *argv[])
                            \n{
                            \n \/\/ \u51c6\u5907\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4，\u5b58\u50a83\u4e2a\u5b66\u751f\u7684\u6210\u7ee9
                            \n float scores[3][4] = {
                            \n {60,70,80,90}, \/\/ 0x2000 0x2004 0x2008 0x200C
                            \n {66,77,88,99}, \/\/ 0x2010 0x2014 0x2018 0x201C
                            \n {61,71,81,91}
                            \n };<\/p>\n

                            \/\/ \u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf，\u7528\u6765\u63a5\u6536\u5b66\u751f\u5b66\u53f7
                            \n int id;
                            \n printf("\u8bf7\u8f93\u5165\u5b66\u751f\u5b66\u53f7（0~2）:\\\\n");
                            \n scanf("%d", &id);
                            \n printf("\u7b2c%d\u4e2a\u5b66\u751f\u7684\u6210\u7ee9：\\\\n", id);<\/p>\n

                            \/\/ \u521b\u5efa\u4e00\u4e2a\u6307\u9488，\u7528\u6765\u63a5\u6536\u6210\u7ee9
                            \n float *p;\/\/ 0x11 –> 0x2000
                            \n p = search(scores, id);\/\/ 0x21 –> 0x2000<\/p>\n

                            \/\/ \u904d\u5386
                            \n for (; p < scores[id] + 4; p++)
                            \n {
                            \n printf("%5.2f\\\\t", *p);
                            \n }
                            \n \/\/ *(p + i)
                            \n printf("\\\\n");<\/p>\n

                            return 0;
                            \n}<\/p>\n<\/li>\n<\/ul>\n

                            \u51fd\u6570\u6307\u9488<\/h5>\n
                            \u5b9a\u4e49<\/h6>\n

                            \u51fd\u6570\u6307\u9488\u672c\u8d28\u4e0a\u662f\u6307\u9488，\u662f\u4e00\u4e2a\u6307\u5411\u51fd\u6570\u7684\u6307\u9488\u3002\u51fd\u6570\u90fd\u6709\u4e00\u4e2a\u5165\u53e3\u5730\u5740，\u6240\u8c13\u6307\u5411\u51fd\u6570\u7684\u6307\u9488，\u5c31\u662f\u6307\u5411\u51fd\u6570\u7684\u5165\u53e3\u5730\u5740\u3002（\u8fd9\u91cc\u7684\u51fd\u6570\u540d\u5c31\u4ee3\u8868\u5165\u53e3\u5730\u5740）<\/p>\n

                            \u51fd\u6570\u6307\u9488\u5b58\u5728\u7684\u610f\u4e49：<\/p>\n

                              \n
                            • \n

                              \u8ba9\u51fd\u6570\u591a\u4e86\u4e00\u79cd\u8c03\u7528\u65b9\u5f0f<\/p>\n<\/li>\n

                            • \n

                              \u51fd\u6570\u6307\u9488\u53ef\u4ee5\u4f5c\u4e3a\u5f62\u53c2，\u53ef\u4ee5\u5f62\u5f0f\u8c03\u7528（\u56de\u8c03\u51fd\u6570）<\/p>\n<\/li>\n<\/ul>\n

                              \u9075\u5faa：\u5148\u6709\u51fd\u6570，\u540e\u6709\u6307\u9488<\/p>\n

                              \u8bed\u6cd5：<\/p>\n

                              \u8fd4\u56de\u7c7b\u578b (*\u6307\u9488\u53d8\u91cf\u540d)(\u5f62\u53c2\u5217\u8868);<\/p>\n

                              \u4e3e\u4f8b：<\/p>\n

                              int (*fun)(int a, int b);
                              \nint (*fun)(int, int); \/\/ \u6709\u70b9\u7c7b\u4f3c\u4e8e\u51fd\u6570\u58f0\u660e<\/p>\n

                              \u51fd\u6570\u6307\u9488\u7684\u521d\u59cb\u5316<\/h6>\n

                              \u2460 \u5b9a\u4e49\u7684\u540c\u65f6\u8d4b\u503c<\/p>\n

                              \/\/ \u51fd\u6570\u6307\u9488\u9700\u8981\u4f9d\u8d56\u4e8e\u51fd\u6570，\u5148\u6709\u51fd\u6570，\u540e\u6709\u6307\u9488<\/p>\n

                              \/\/ \u5b9a\u4e49\u4e00\u4e2a\u666e\u901a\u51fd\u6570
                              \nint add(int a, int b) { return a + b; }<\/p>\n

                              \/\/ \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6307\u9488，\u5e76\u521d\u59cb\u5316
                              \n\/\/ \u89c2\u5bdf：\u51fd\u6570\u6307\u9488\u7684\u8fd4\u56de\u7c7b\u578b\u548c\u6307\u5411\u7684\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u4e00\u81f4，\u51fd\u6570\u6307\u9488\u7684\u5f62\u53c2\u4e2a\u6570\u3001\u7c7b\u578b\u3001\u4f4d\u7f6e\u548c\u6307\u5411\u7684\u51fd\u6570\u7684\u53c2\u6570\u7684\u4e00\u81f4\u3002
                              \nint (*p)(int a, int b) = add; \/\/ \u51fd\u6570\u6307\u9488p\u6307\u5411\u51fd\u6570add，\u8fd9\u91cc\u7684add\u4e0d\u80fd\u5e26()，add\u5c31\u8868\u793a\u51fd\u6570\u7684\u5165\u53e3\u5730\u5740<\/p>\n

                              \u2461 \u5148\u5b9a\u4e49，\u540e\u8d4b\u503c<\/p>\n

                              \/\/ \u5b9a\u4e49\u4e00\u4e2a\u666e\u901a\u51fd\u6570
                              \nint add(int a, int b) { return a + b; }<\/p>\n

                              int (*p)(int, int); \/\/ \u5f62\u53c2\u5217\u8868\u7684\u53c2\u6570\u540d\u53ef\u4ee5\u7701\u7565\u4e0d\u5199<\/p>\n

                              p = add; \/\/ \u6b64\u65f6\u662f\u5c06add\u7684\u5165\u53e3\u5730\u5740\u8d4b\u503c\u7ed9\u6307\u9488p<\/p>\n

                              \u6ce8\u610f：<\/span><\/p>\n

                            • \n

                              \u51fd\u6570\u6307\u9488\u6307\u5411\u7684\u51fd\u6570\u8981\u548c\u51fd\u6570\u6307\u9488\u5b9a\u4e49\u7684\u8fd4\u56de\u503c\u7c7b\u578b，\u5f62\u53c2\u5217\u8868\u5bf9\u5e94，\u5426\u5219\u7f16\u8bd1\u62a5\u9519<\/p>\n<\/li>\n

                            • \n

                              \u51fd\u6570\u6307\u9488\u662f\u6307\u9488，\u4f46\u4e0d\u80fd\u6307\u9488\u8fd0\u7b97，\u5982p++\u7b49，\u6ca1\u6709\u5b9e\u9645\u610f\u4e49<\/p>\n<\/li>\n

                            • \n

                              \u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u5f62\u53c2，\u53ef\u4ee5\u5f62\u6210\u56de\u8c03<\/p>\n<\/li>\n

                            • \n

                              \u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u5f62\u53c2，\u51fd\u6570\u8c03\u7528\u65f6\u7684\u5b9e\u53c2\u53ea\u80fd\u662f\u4e0e\u4e4b\u5bf9\u5e94\u7684\u51fd\u6570\u540d，\u4e0d\u80fd\u5e26\u5c0f\u62ec\u53f7()<\/p>\n<\/li>\n

                            • \n

                              \u51fd\u6570\u6307\u9488\u7684\u5f62\u53c2\u5217\u8868\u4e2d\u7684\u53d8\u91cf\u540d\u53ef\u4ee5\u7701\u7565<\/p>\n<\/li>\n

                              \u6ce8\u610f：<\/span>\u51fd\u6570\u4e0d\u80fd\u4f5c\u4e3a\u51fd\u6570\u7684\u5f62\u53c2，\u4f46\u662f\u6307\u5411\u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\u662f\u53ef\u4ee5\u4f5c\u4e3a\u51fd\u6570\u7684\u5f62\u53c2\u7684\u3002<\/p>\n

                              \u6848\u4f8b<\/h6>\n
                                \n
                              • \n

                                \u9700\u6c42：\u6c42a,b\u4e24\u4e2a\u6570\u7684\u6700\u5927\u503c<\/p>\n<\/li>\n

                              • \n

                                \u4ee3\u7801：<\/p>\n

                                \/*************************************************************************
                                \n > File Name: demo01.c
                                \n > Author: \u4e45\u5ff5\u6615
                                \n > Description:
                                \n > Created Time: 2025\u5e7407\u670829\u65e5 \u661f\u671f\u4e8c 09\u65f602\u520635\u79d2
                                \n ************************************************************************\/<\/p>\n

                                #include <stdio.h><\/p>\n

                                \/**
                                \n * \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570，\u6c42\u4e24\u4e2a\u6570\u7684\u6700\u5927\u503c
                                \n *\/
                                \nint get_max(int a, int b)
                                \n{
                                \n return a > b ? a : b;
                                \n}<\/p>\n

                                int main(int argc,char *argv[])
                                \n{
                                \n \/\/ \u5b9a\u4e49\u6d4b\u8bd5\u6570\u636e
                                \n int a = 3, b = 4, max;<\/p>\n

                                \/\/ \u76f4\u63a5\u8c03\u7528\u51fd\u6570
                                \n max = get_max(a, b);<\/p>\n

                                printf("%d,%d\u4e2d\u7684\u6700\u5927\u503c\u662f：%d\\\\n",a,b,max);<\/p>\n

                                \/\/ \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u6307\u9488
                                \n int (*p)(int, int) = get_max;<\/p>\n

                                \/\/ \u95f4\u63a5\u8c03\u7528\u51fd\u6570：\u65b9\u5f0f1
                                \n max = p(a,b);
                                \n printf("%d,%d\u4e2d\u7684\u6700\u5927\u503c\u662f：%d\\\\n",a,b,max);<\/p>\n

                                \/\/ \u95f4\u63a5\u8c03\u7528\u51fd\u6570：\u65b9\u5f0f2
                                \n max = (*p)(a,b); \/\/ () > [] > *
                                \n printf("%d,%d\u4e2d\u7684\u6700\u5927\u503c\u662f：%d\\\\n",a,b,max);<\/p>\n

                                return 0;
                                \n}<\/p>\n<\/li>\n<\/ul>\n

                                \u56de\u8c03\u51fd\u6570<\/h6>\n
                                \u5b9a\u4e49<\/h6>\n

                                \u56de\u8c03\u51fd\u6570\u5c31\u662f\u4e00\u4e2a\u901a\u8fc7\u51fd\u6570\u6307\u9488\u8c03\u7528\u7684\u51fd\u6570\u3002\u5982\u679c\u4f60\u628a\u51fd\u6570\u7684\u6307\u9488\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u53e6\u4e00\u4e2a\u51fd\u6570，\u5f53\u8fd9\u4e2a\u6307\u9488\u88ab\u7528\u6765\u8c03\u7528\u5176\u6240\u6307\u5411\u7684\u51fd\u6570\u65f6\u3002\u6211\u4eec\u5c31\u8bf4\u8fd9\u662f\u56de\u8c03\u51fd\u6570\u3002\u56de\u8c03\u51fd\u6570\u4e0d\u662f\u7531\u8be5\u51fd\u6570\u7684\u5b9e\u73b0\u65b9\u76f4\u63a5\u8c03\u7528，\u800c\u662f\u5728\u7279\u5b9a\u7684\u4e8b\u4ef6\u6216\u6761\u4ef6\u53d1\u751f\u65f6\u7531\u53e6\u5916\u7684\u4e00\u65b9\u8c03\u7528\u7684，\u7528\u4e8e\u5bf9\u8be5\u4e8b\u4ef6\u6216\u6761\u4ef6\u8fdb\u884c\u54cd\u5e94\u3002<\/p>\n

                                \u7b80\u5355\u6765\u8bf4，\u5c31\u662f\u4f7f\u7528\u51fd\u6570\u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u7684\u5f62\u53c2，\u8fd9\u79cd\u51fd\u6570\u5c31\u88ab\u79f0\u4f5c\u56de\u8c03\u51fd\u6570\u3002<\/p>\n

                                \u4e3a\u4ec0\u4e48\u8981\u7528\u56de\u8c03\u51fd\u6570<\/h6>\n

                                \u56e0\u4e3a\u53ef\u4ee5\u628a\u8c03\u7528\u8005\u4e0e\u88ab\u8c03\u7528\u8005\u5206\u5f00，\u6240\u4ee5\u8c03\u7528\u8005\u4e0d\u5173\u5fc3\u8c01\u662f\u88ab\u8c03\u7528\u8005\u3002\u5b83\u53ea\u9700\u77e5\u9053\u5b58\u5728\u4e00\u4e2a\u5177\u6709\u7279\u5b9a\u539f\u578b\u548c\u9650\u5236\u6761\u4ef6\u7684\u88ab\u8c03\u7528\u51fd\u6570\u3002<\/p>\n

                                \u7b80\u800c\u8a00\u4e4b，\u56de\u8c03\u51fd\u6570\u5c31\u662f\u5141\u8bb8\u7528\u6237\u628a\u9700\u8981\u8c03\u7528\u7684\u65b9\u6cd5\u7684\u6307\u9488\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u4e00\u4e2a\u51fd\u6570，\u4ee5\u4fbf\u8be5\u51fd\u6570\u5728\u5904\u7406\u76f8\u4f3c\u4e8b\u4ef6\u7684\u65f6\u5019\u53ef\u4ee5\u7075\u6d3b\u7684\u4f7f\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\u3002<\/p>\n

                                \u6848\u4f8b<\/h6>\n

                                \/*************************************************************************
                                \n > File Name: demo02.c
                                \n > Author: \u4e45\u5ff5\u6615
                                \n > Description:
                                \n > Created Time: 2025\u5e7407\u670829\u65e5 \u661f\u671f\u4e8c 09\u65f625\u520656\u79d2
                                \n ************************************************************************\/<\/p>\n

                                #include <stdio.h><\/p>\n

                                \/**
                                \n * \u56de\u8c03\u51fd\u65701
                                \n *\/
                                \nint callback_1(int a)
                                \n{
                                \n printf("hello, this is callback_1：a=%d\\\\n", a);<\/p>\n

                                return a;
                                \n}<\/p>\n

                                \/**
                                \n * \u56de\u8c03\u51fd\u65702
                                \n *\/
                                \nint callback_2(int b)
                                \n{
                                \n printf("hello, this is callback_2：b=%d\\\\n", b);<\/p>\n

                                return b;
                                \n}<\/p>\n

                                \/**
                                \n * \u56de\u8c03\u51fd\u65703
                                \n *\/
                                \nint callback_3(int c)
                                \n{
                                \n printf("hello, this is callback_3：c=%d\\\\n", c);<\/p>\n

                                return c;
                                \n}<\/p>\n

                                \/**
                                \n * \u5b9e\u73b0\u56de\u8c03\u51fd\u6570（\u5f62\u53c2\u662f\u51fd\u6570\u6307\u9488\u7684\u51fd\u6570）
                                \n *\/
                                \nint handle(int x, int (*callback)(int))
                                \n{
                                \n printf("\u65e5\u5fd7：\u5f00\u59cb\u6267\u884c\u4efb\u52a1！\\\\n");
                                \n int res = callback(x);
                                \n printf("\u65e5\u5fd7：\u6267\u884c\u7ed3\u679c：%d\\\\n",res);
                                \n printf("\u65e5\u5fd7：\u7ed3\u675f\u6267\u884c\u4efb\u52a1！\\\\n");
                                \n}<\/p>\n

                                int main(int argc,char *argv[])
                                \n{
                                \n handle(100,callback_1);
                                \n handle(200,callback_2);
                                \n handle(300,callback_3);<\/p>\n

                                return 0;
                                \n}<\/p>\n

                                \u8fd0\u884c\u7ed3\u679c：<\/p>\n

                                \"\"<\/p>\n

                                \u4e8c\u7ea7\u6307\u9488<\/h4>\n

                                \u5b9a\u4e49<\/h5>\n

                                \u4e8c\u7ea7\u6307\u9488（\u591a\u91cd\u6307\u9488）\u7528\u4e8e\u50a8\u5b58\u4e00\u7ea7\u6307\u9488\u7684\u5730\u5740，\u9700\u8981\u4e24\u6b21\u89e3\u5f15\u7528\u624d\u80fd\u8bbf\u95ee\u539f\u59cb\u6570\u636e\u3002\u5176\u4ed6\u591a\u91cd\u6307\u9488\u7684\u7528\u6cd5\u7c7b\u4f3c，\u4f46\u5b9e\u9645\u5f00\u53d1\u4e2d\u6700\u5e38\u89c1\u7684\u6307\u9488\u662f\u4e8c\u7ea7\u6307\u9488\u3002<\/p>\n

                                int a = 10; \/\/ a\u662f\u666e\u901a\u53d8\u91cf，\u4e5f\u5c31\u662f\u539f\u59cb\u6570\u636e
                                \nint *p = &a; \/\/ \u4e00\u7ea7\u6307\u9488，p\u6307\u5411a，\u89e3\u5f15\u75281\u6b21\u5c31\u53ef\u4ee5\u83b7\u53d6a\u7684\u503c
                                \nprintf("%d\\\\n", *p); \/\/ 10<\/p>\n

                                int **w = &p; \/\/ \u4e8c\u7ea7\u6307\u9488，w\u6307\u5411p，\u89e3\u5f15\u75282\u6b21\u5c31\u53ef\u4ee5\u83b7\u53d6a\u7684\u503c
                                \nprintf("%d\\\\n", **w);\/\/ 10<\/p>\n

                                int ***k = &w; \/\/ \u4e09\u7ea7\u6307\u9488，k\u6307\u5411w，\u89e3\u5f15\u75283\u6b21\u5c31\u53ef\u4ee5\u83b7\u53d6a\u7684\u503c
                                \nprintf("%d\\\\n", ***k); \/\/ 10 int a1 = ***k; int *a2 = **k; int **a3 = *k; int ***a4 = k;<\/p>\n

                                \u8bed\u6cd5<\/h5>\n

                                \u6570\u636e\u7c7b\u578b **\u6307\u9488\u53d8\u91cf\u540d = \u6307\u9488\u6570\u7ec4\u7684\u6570\u7ec4\u540d | \u4e00\u7ea7\u6307\u9488\u7684\u5730\u5740<\/p>\n

                                \u7279\u70b9<\/h5>\n

                                \u2460 \u4e0e\u6307\u9488\u6570\u7ec4\u7684\u7b49\u6548\u6027 \u4e8c\u7ea7\u6307\u9488\u4e0e\u6307\u9488\u6570\u7ec4\u5728\u67d0\u4e9b\u65f6\u5019\u5b58\u5728\u7b49\u6548\u6027，\u4f46\u4e0e\u4e8c\u7ef4\u6570\u7ec4\u4e0d\u7b49\u6548\u3002\u4e8c\u7ef4\u6570\u7ec4\u540d\u662f\u6570\u7ec4\u6307\u9488\u7c7b\u578b，\u5982int (*)[3]，\u800c\u975e\u4e8c\u7ea7\u6307\u9488\u3002<\/p>\n

                                \/\/ \u6307\u9488\u6570\u7ec4
                                \nint arr[] = {11,22,33};
                                \nint *arr_[] = {&arr[0],&arr[1],&arr[2]};<\/p>\n

                                \/\/ \u4e8c\u7ea7\u6307\u9488\u63a5\u6536\u6307\u9488\u6570\u7ec4
                                \nchar *str[3] = {"abc","aaa034","12a12"};
                                \nchar **p = str; \/\/ p：\u6570\u7ec4\u9996\u5730\u5740，\u884c\u5730\u5740，\u9ed8\u8ba40\u884c *p：\u5217\u5730\u5740，\u9ed8\u8ba40\u884c0\u5217 **p：\u5217\u5143\u7d20<\/p>\n

                                \/*************************************************************************
                                \n > File Name: demo03.c
                                \n > Author: \u4e45\u5ff5\u6615
                                \n > Description:
                                \n > Created Time: 2025\u5e7407\u670829\u65e5 \u661f\u671f\u4e8c 10\u65f627\u520605\u79d2
                                \n ************************************************************************\/<\/p>\n

                                #include <stdio.h><\/p>\n

                                int main(int argc,char *argv[])
                                \n{
                                \n char *str[3] = {"abc","aaa034","12a12"};
                                \n char **p = str;<\/p>\n

                                \/\/ \u6253\u5370\u5b57\u7b26\u4e32
                                \n \/\/ for (int i = 0; i < 3; i++)
                                \n \/\/ {
                                \n \/\/ printf("%s\\\\n", *p);
                                \n \/\/ p++;
                                \n \/\/ }<\/p>\n

                                \/\/ \u6253\u5370\u5b57\u7b26
                                \n int i = 0;
                                \n while(**p != '\\\\0')
                                \n {
                                \n printf("%-2c",**p);
                                \n (*p)++;
                                \n }
                                \n printf("\\\\n");
                                \n return 0;
                                \n}<\/p>\n

                                \u2461 \u4e0e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5dee\u5f02 \u4e8c\u7ef4\u6570\u7ec4\u540d\u662f\u6570\u7ec4\u6307\u9488\u7c7b\u578b，\u76f4\u63a5\u8d4b\u503c\u7ed9\u4e8c\u7ea7\u6307\u9488\u4f1a\u5bfc\u81f4\u7c7b\u578b\u4e0d\u5339\u914d<\/p>\n

                                \/\/ \u6570\u7ec4\u6307\u9488\u53ef\u4ee5\u6307\u5411\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4
                                \nint arr[2][3] = {{1,3,5},{11,33,55}};
                                \nint (*p)[3] = arr;<\/p>\n

                                \/\/ \u4e8c\u7ea7\u6307\u9488\u4e0d\u7b49\u6548\u4e8c\u7ef4\u6570\u7ec4
                                \nint **k = arr; \/\/ \u7f16\u8bd1\u62a5\u9519 arr\u7c7b\u578b int(*)[3] \u4e0d\u517c\u5bb9 k\u7c7b\u578b int**<\/p>\n","protected":false},"excerpt":{"rendered":"

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